/******************************************************************************
*                                                                             *
*   PROJECT : EOS Digital Software Development Kit EDSDK                      *
*      NAME : OpenSessionCommand.h	                                          *
*                                                                             *
*   Description: This is the Sample code to show the usage of EDSDK.          *
*                                                                             *
*                                                                             *
*******************************************************************************
*                                                                             *
*   Written and developed by Camera Design Dept.53                            *
*   Copyright Canon Inc. 2006-2008 All Rights Reserved                        *
*                                                                             *
*******************************************************************************/


#pragma once

#include "Command.h"
#include "CameraEvent.h"
#include "EDSDK.h"
#include "GetPropertyCommand.h"
#include "GetPropertyDescCommand.h"

class OpenSessionCommand : public Command
{

public:
	OpenSessionCommand(CameraModel *model) : Command(model){}


	// Execute command	
	virtual bool execute()
	{
		EdsError err = EDS_ERR_OK;
		bool	 locked = false;
	
		//The communication with the camera begins
		err = EdsOpenSession(_model->getCameraObject());
	

		//Preservation ahead is set to PC
		if(err == EDS_ERR_OK)
		{
			EdsUInt32 saveTo = kEdsSaveTo_Host;
			err = EdsSetPropertyData(_model->getCameraObject(), kEdsPropID_SaveTo, 0, sizeof(saveTo) , &saveTo);
		}

		//UI lock
		if(err == EDS_ERR_OK)
		{
			err = EdsSendStatusCommand(_model->getCameraObject(), kEdsCameraStatusCommand_UILock, 0);
		}

		if(err == EDS_ERR_OK)
		{
			locked = true;
		}
		
		if(err == EDS_ERR_OK)
		{
			EdsCapacity capacity = {0x7FFFFFFF, 0x1000, 1};
			err = EdsSetCapacity( _model->getCameraObject(), capacity);
		}
		
		//It releases it when locked
		if(locked)
		{
			EdsSendStatusCommand(_model->getCameraObject(), kEdsCameraStatusCommand_UIUnLock, 0);
		}	

		//Notification of error
		if(err != EDS_ERR_OK)
		{
			CameraEvent e("error", &err);
			_model->notifyObservers(&e);
		}

		return true;
	}

};

